Professionals
Two hundred and twelve adults in heterosexual relationships (106 women, Myears = years; 106 men, Mage age = years) and two hundred and eight adults in same-gender relationships (72 couples self-identified as gay: Mage = 34.1 years; 72 couples self-identified as lesbian: Mage = 33.3 years years). Couples were required to have been together romantically for a minimum of 6 months and to come to the lab with their partner to participate in the study. The average relationship length for all couples was 4.8 years (SD = 6.6 years). Exclusion criteria limited participation to individuals currently without serious, chronic health problems or any health issues (e.g., diabetes) that affected their eating behaviors. (If participants engaged in disordered eating behaviors but did not conceptualize them as disordered, they may have participated).
The players into the heterosexual relationship was indeed mainly Western european American (72% European Western, 10% African american, 8% Hispanic/Latino, 7% Asian Western, and step 3% “other”). Users stated personal income inside selections: “ $75,000” (1%). In addition, 41.1% stated that these were matchmaking rather than cohabitating, 32.4% stated that these people were cohabitating (living with one another), and you can twenty-six.5% stated that they were hitched.
The players during the gay and lesbian relationships was basically as well as predominantly Eu-Western (70%; 14% African american, 10% Hispanic/Latino, 3% Far-eastern Western, 3% “other”). Professionals reported individual income when you look at the range: “ 0 implies some level of frustration. The exam–retest reliability for it measure could have been said to be an effective [0.79; (33)], which size has been seen having predictive validity [elizabeth.g., it’s regarding the lbs reputation and you can weight reduction routines in other adult examples; (34, 35)].
Relationship High quality
The Marital Relationships Questionnaire [MIS; (36)] was used to assess participants’ dating top quality. This 15-goods scale include a couple subscales out-of like and conflict. The fresh new love size queried people playing with ten affairs and additionally “Just how the time do you end up being towards the him/her?” Brand new argument measure queried participants playing with four items along with “How many times could you and your lover argue with one another?” For every single product is actually rated towards good nine-section Likert scale of 0 = “definitely not” to eight = “really.” Facts determining disagreement was in fact reverse coded (hence determining “harmony”) and you can a japanese women dating complete composite score off relationship quality is determined. The original format of one’s MIS was created to assess married couples’ relationship top quality; new level is actually changed because of it analysis to read through “mate” and you will “spouse,” in lieu of “companion.” Brand new MIS are legitimate over the subsamples out of partners (?s = 0.77–0.89) possesses already been put properly in other knowledge off same-sex people, sharing predictive validity [e.g., (19)].
Relationship Length
Players reported the matchmaking length because of the answering: “Based on how almost a year will you be constantly a part of the personal companion?” Email address details are demonstrated in years getting smoother translation.
Covariates
Analyses noticed covariates most likely associated with gaining weight and you can relationships reputation: ages, participants’ gender (coded ?1 = male, step 1 = female), and you will sexual orientation. (Gender and sexual positioning including was indeed considered as moderators within the analyses).
Analytic Bundle
SPSS version 28 and you can HLM version eight were utilized to own detailed analyses and to take to investigation tries. Research were featured for completeness; the degree of shed studies to the one variable used in analyses varied out of 0 to at least one.4%. Listwise removal was applied getting destroyed investigation. In order to make up this new low-liberty of data regarding someone nested inside dating, multilevel acting was applied to check getting gender and you will sexual positioning variations in inside-partners parameters and to test data seeks (37). Continued variables were category suggest founded within level step one (within-couples) and grand suggest depending during the peak dos (between-couples).